Simple past of "blow"
blew
Past simple of "be"...
was/were
Simple past of "build"
built
Simple past of "bring"
brought
Past Participle of "buy"
bought
Past simple of "become"
became
Past participle of "bite"
bitten
Past participle of "beat"...
beaten
Simple Past of "break"
broke
Past Participle of "begin"
begun
Past participle of "be"
been
Past participle of "break"
broken